Home / 2,750,321.28-3,795,508.80-1,543,186.56

Finding the Fourth Proportional to 2,750,321.28, 3,795,508.80 and 1,543,186.56

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Solution

The fourth proportional to 2,750,321.28, 3,795,508.80 and 1,543,186.56 is: 2,129,634.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,321.28 : 3,795,508.80 = 1,543,186.56 : x
  2. Step 2: Convert to fraction form
    2,750,321.28/3,795,508.80 = 1,543,186.56/x
  3. Step 3: Cross multiply
    2,750,321.28x = 3,795,508.80 × 1,543,186.56
  4. Step 4: Simplify right side
    2,750,321.28x = 5,857,178,168,521.73
  5. Step 5: Solve for x
    x = 5,857,178,168,521.73/2,750,321.28
  6. Step 6: Final answer
    x = 2,129,634.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.